v3.10.0.1
Condensed Statement Of Cash Flows - USD ($)
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Cash Flows from Operating Activities:    
Net loss $ (11,251,960) $ (21,702,040)
Adjustments to reconcile net loss to net cash used in operating activities:    
Compensatory stock 22,650 31,200
Depreciation and amortization 37,204 30,963
Amortization of premiums and discounts on marketable securities, net 35,110 40,578
Stock-based compensation 845,210 790,006
Amortization and termination of deferred research and development arrangement (375,000) (56,250)
Unrealized (gain) loss on fair value of warrants (3,752,131) 9,047,831
Financing expense   333,050
Amortization of deferred lease incentive (9,332) (9,333)
Deferred lease expenses (17,542) (8,314)
Changes in assets and liabilities:    
Prepaid expenses and other assets 149,643 (669,087)
Accounts payable and accrued expenses 97,720 456,277
Net Cash Used in Operating Activities (14,218,428) (11,715,119)
Cash Flows from Investing Activities:    
Purchase of equipment (39,224) (21,369)
Purchase of marketable securities   (15,008,660)
Redemption of marketable securities 9,950,220 8,720,000
Net Cash Provided by (Used In) Investing Activities 9,910,996 (6,310,029)
Cash Flows from Financing Activities:    
Issuance of common stock and units, net of issuance costs   9,241,271
Proceeds from exercise of stock warrants   5,354,093
Proceeds from exercise of stock options   77,500
Net Cash Provided by Financing Activities   14,672,864
Net Decrease in Cash and Cash Equivalents (4,307,432) (3,352,284)
Cash and Cash Equivalents - beginning of period 8,899,154 11,578,473
Cash and Cash Equivalents - end of period $ 4,591,722 8,226,189
Non-cash financing and investing activties:    
Warrants issued   4,107,488
Warrant liability extinguishment from exercise of warrants   $ 8,052,594

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